The Edge of the Knife

by H. Beam Piper

Tags: Science Fiction, Novel-Classic,

Desc: Science Fiction Story: In the distant future of 1973, Professor Chalmers of Blanley University is having a little trouble with his history class. He knows the subject and all his facts are true, the only problem is none of them have happened yet. After a disastrous lesson where he accidently revealed foreknowledge of an assassination yet to happen, Professor Chalmers has to face down against a dean threatening to fire him in spite of tenure.

Chalmers stopped talking abruptly, warned by the sudden attentiveness of the class in front of him. They were all staring; even Guellick, in the fourth row, was almost half awake. Then one of them, taking his silence as an invitation to questions found his voice.

[Illustration: There was no past--no future--only a great chaotic NOW.]

“In 1973, at Basra.” There was a touch of impatience in his voice; surely they ought to know that much. “He was shot, while leaving the Parliament Building, by an Egyptian Arab named Mohammed Noureed, with an old U. S. Army M3 submachine-gun. Noureed killed two of Khalid’s guards and wounded another before he was overpowered. He was lynched on the spot by the crowd; stoned to death. Ostensibly, he and his accomplices were religious fanatics; however, there can be no doubt whatever that the murder was inspired, at least indirectly, by the Eastern Axis.”

The class stirred like a grain-field in the wind. Some looked at him in blank amazement; some were hastily averting faces red with poorly suppressed laughter. For a moment he was puzzled, and then realization hit him like a blow in the stomach-pit. He’d forgotten, again.

“I didn’t see anything in the papers about it,” one boy was saying.

“The newscast, last evening, said Khalid was in Ankara, talking to the President of Turkey,” another offered.

“Professor Chalmers, would you tell us just what effect Khalid’s death had upon the Islamic Caliphate and the Middle Eastern situation in general?” a third voice asked with exaggerated solemnity. That was Kendrick, the class humorist; the question was pure baiting.

“Well, Mr. Kendrick, I’m afraid it’s a little too early to assess the full results of a thing like that, if they can ever be fully assessed. For instance, who, in 1911, could have predicted all the consequences of the pistol-shot at Sarajevo? Who, even today, can guess what the history of the world would have been had Zangarra not missed Franklin Roosevelt in 1932? There’s always that if.”

He went on talking safe generalities as he glanced covertly at his watch. Only five minutes to the end of the period; thank heaven he hadn’t made that slip at the beginning of the class. “For instance, tomorrow, when we take up the events in India from the First World War to the end of British rule, we will be largely concerned with another victim of the assassin’s bullet, Mohandas K. Gandhi. You may ask yourselves, then, by how much that bullet altered the history of the Indian sub-continent. A word of warning, however: The events we will be discussing will be either contemporary with or prior to what was discussed today. I hope that you’re all keeping your notes properly dated. It’s always easy to become confused in matters of chronology.”

He wished, too late, that he hadn’t said that. It pointed up the very thing he was trying to play down, and raised a general laugh.

As soon as the room was empty, he hastened to his desk, snatched pencil and notepad. This had been a bad one, the worst yet; he hadn’t heard the end of it by any means. He couldn’t waste thought on that now, though. This was all new and important; it had welled up suddenly and without warning into his conscious mind, and he must get it down in notes before the “memory”--even mentally, he always put that word into quotes--was lost. He was still scribbling furiously when the instructor who would use the room for the next period entered, followed by a few of his students. Chalmers finished, crammed the notes into his pocket, and went out into the hall.

Most of his own Modern History IV class had left the building and were on their way across the campus for science classes. A few, however, were joining groups for other classes here in Prescott Hall, and in every group, they were the center of interest. Sometimes, when they saw him, they would fall silent until he had passed; sometimes they didn’t, and he caught snatches of conversation.

“Oh, brother! Did Chalmers really blow his jets this time!” one voice was saying.

“Bet he won’t be around next year.”

Another quartet, with their heads together, were talking more seriously.

“Well, I’m not majoring in History, myself, but I think it’s an outrage that some people’s diplomas are going to depend on grades given by a lunatic!”

“Mine will, and I’m not going to stand for it. My old man’s president of the Alumni Association, and...”

That was something he had not thought of, before. It gave him an ugly start. He was still thinking about it as he turned into the side hall to the History Department offices and entered the cubicle he shared with a colleague. The colleague, old Pottgeiter, Medieval History, was emerging in a rush; short, rotund, gray-bearded, his arms full of books and papers, oblivious, as usual, to anything that had happened since the Battle of Bosworth or the Fall of Constantinople. Chalmers stepped quickly out of his way and entered behind him. Marjorie Fenner, the secretary they also shared, was tidying up the old man’s desk.

“Good morning, Doctor Chalmers.” She looked at him keenly for a moment. “They give you a bad time again in Modern Four?”

Good Lord, did he show it that plainly? In any case, it was no use trying to kid Marjorie. She’d hear the whole story before the end of the day.

“Gave myself a bad time.”

Marjorie, still fussing with Pottgeiter’s desk, was about to say something in reply. Instead, she exclaimed in exasperation.

“Ohhh! That man! He’s forgotten his notes again!” She gathered some papers from Pottgeiter’s desk, rushing across the room and out the door with them.

For a while, he sat motionless, the books and notes for General European History II untouched in front of him. This was going to raise hell. It hadn’t been the first slip he’d made, either; that thought kept recurring to him. There had been the time when he had alluded to the colonies on Mars and Venus. There had been the time he’d mentioned the secession of Canada from the British Commonwealth, and the time he’d called the U. N. the Terran Federation. And the time he’d tried to get a copy of Franchard’s Rise and Decline of the System States, which wouldn’t be published until the Twenty-eighth Century, out of the college library. None of those had drawn much comment, beyond a few student jokes about the history professor who lived in the future instead of the past. Now, however, they’d all be remembered, raked up, exaggerated, and added to what had happened this morning.

He sighed and sat down at Marjorie’s typewriter and began transcribing his notes. Assassination of Khalid ib’n Hussein, the pro-Western leader of the newly formed Islamic Caliphate; period of anarchy in the Middle East; interfactional power-struggles; Turkish intervention. He wondered how long that would last; Khalid’s son, Tallal ib’n Khalid, was at school in England when his father was--would be--killed. He would return, and eventually take his father’s place, in time to bring the Caliphate into the Terran Federation when the general war came. There were some notes on that already; the war would result from an attempt by the Indian Communists to seize East Pakistan. The trouble was that he so seldom “remembered” an exact date. His “memory” of the year of Khalid’s assassination was an exception.

Nineteen seventy-three--why, that was this year. He looked at the calendar. October 16, 1973. At very most, the Arab statesman had two and a half months to live. Would there be any possible way in which he could give a credible warning? He doubted it. Even if there were, he questioned whether he should--for that matter, whether he could--interfere...

He always lunched at the Faculty Club; today was no time to call attention to himself by breaking an established routine. As he entered, trying to avoid either a furtive slink or a chip-on-shoulder swagger, the crowd in the lobby stopped talking abruptly, then began again on an obviously changed subject. The word had gotten around, apparently. Handley, the head of the Latin Department, greeted him with a distantly polite nod. Pompous old owl; regarded himself, for some reason, as a sort of unofficial Dean of the Faculty. Probably didn’t want to be seen fraternizing with controversial characters. One of the younger men, with a thin face and a mop of unruly hair, advanced to meet him as he came in, as cordial as Handley was remote.

“Oh, hello, Ed!” he greeted, clapping a hand on Chalmers’ shoulder. “I was hoping I’d run into you. Can you have dinner with us this evening?” He was sincere.

“Well, thanks, Leonard. I’d like to, but I have a lot of work. Could you give me a rain-check?”

“Oh, surely. My wife was wishing you’d come around, but I know how it is. Some other evening?”

After lunch, he stopped in at his office. Marjorie Fenner was there, taking dictation from Pottgeiter; she nodded to him as he entered, but she had no summons to the president’s office.

The summons was waiting for him, the next morning, when he entered the office after Modern History IV, a few minutes past ten.

“Doctor Whitburn just phoned,” Marjorie said. “He’d like to see you, as soon as you have a vacant period.”

“Which means right away. I shan’t keep him waiting.”

She started to say something, swallowed it, and then asked if he needed anything typed up for General European II.

“No, I have everything ready.” He pocketed the pipe he had filled on entering, and went out.

The president of Blanley College sat hunched forward at his desk; he had rounded shoulders and round, pudgy fists and a round, bald head. He seemed to be expecting his visitor to stand at attention in front of him. Chalmers got the pipe out of his pocket, sat down in the desk-side chair, and snapped his lighter.

“Good morning, Doctor Whitburn,” he said very pleasantly.

Whitburn’s scowl deepened. “I hope I don’t have to tell you why I wanted to see you,” he began.

“I have an idea.” Chalmers puffed until the pipe was drawing satisfactorily. “It might help you get started if you did, though.”

“I don’t suppose, at that, that you realize the full effect of your performance, yesterday morning, in Modern History Four,” Whitburn replied. “I don’t suppose you know, for instance, that I had to intervene at the last moment and suppress an editorial in the _Black and Green_, derisively critical of you and your teaching methods, and, by implication, of the administration of this college. You didn’t hear about that, did you? No, living as you do in the future, you wouldn’t.”

“If the students who edit the Black and Green are dissatisfied with anything here, I’d imagine they ought to say so,” Chalmers commented. “Isn’t that what they teach in the journalism classes, that the purpose of journalism is to speak for the dissatisfied? Why make exception?”

“I should think you’d be grateful to me for trying to keep your behavior from being made a subject of public ridicule among your students. Why, this editorial which I suppressed actually went so far as to question your sanity!”

“I should suppose it might have sounded a good deal like that, to them. Of course, I have been preoccupied, lately, with an imaginative projection of present trends into the future. I’ll quite freely admit that I should have kept my extracurricular work separate from my class and lecture work, but...”

“That’s no excuse, even if I were sure it were true! What you did, while engaged in the serious teaching of history, was to indulge in a farrago of nonsense, obvious as such to any child, and damage not only your own standing with your class but the standing of Blanley College as well. Doctor Chalmers, if this were the first incident of the kind it would be bad enough, but it isn’t. You’ve done things like this before, and I’ve warned you before. I assumed, then, that you were merely showing the effects of overwork, and I offered you a vacation, which you refused to take. Well, this is the limit. I’m compelled to request your immediate resignation.”

Chalmers laughed. “A moment ago, you accused me of living in the future. It seems you’re living in the past. Evidently you haven’t heard about the Higher Education Faculty Tenure Act of 1963, or such things as tenure-contracts. Well, for your information, I have one; you signed it yourself, in case you’ve forgotten. If you want my resignation, you’ll have to show cause, in a court of law, why my contract should be voided, and I don’t think a slip of the tongue is a reason for voiding a contract that any court would accept.”

Whitburn’s face reddened. “You don’t, don’t you? Well, maybe it isn’t, but insanity is. It’s a very good reason for voiding a contract voidable on grounds of unfitness or incapacity to teach.”

He had been expecting, and mentally shrinking from, just that. Now that it was out, however, he felt relieved. He gave another short laugh.

“You’re willing to go into open court, covered by reporters from papers you can’t control as you do this student sheet here, and testify that for the past twelve years you’ve had an insane professor on your faculty?”

“It isn’t blackmail to tell a man that a bomb he’s going to throw will blow up in his hand.” Chalmers glanced quickly at his watch. “Now, Doctor Whitburn, if you have nothing further to discuss, I have a class in a few minutes. If you’ll excuse me...”

He rose. For a moment, he stood facing Whitburn; when the college president said nothing, he inclined his head politely and turned, going out.

Whitburn’s secretary gave the impression of having seated herself hastily at her desk the second before he opened the door. She watched him, round-eyed, as he went out into the hall.

He reached his own office ten minutes before time for the next class. Marjorie was typing something for Pottgeiter; he merely nodded to her, and picked up the phone. The call would have to go through the school exchange, and he had a suspicion that Whitburn kept a check on outside calls. That might not hurt any, he thought, dialing a number.

“Attorney Weill’s office,” the girl who answered said.

“Edward Chalmers. Is Mr. Weill in?”

She’d find out. He was; he answered in a few seconds.

“Hello, Stanly; Ed Chalmers. I think I’m going to need a little help. I’m having some trouble with President Whitburn, here at the college. A matter involving the validity of my tenure-contract. I don’t want to go into it over this line. Have you anything on for lunch?”

“No, I haven’t. When and where?” the lawyer asked.

He thought for a moment. Nowhere too close the campus, but not too far away.

“How about the Continental; Fontainbleu Room? Say twelve-fifteen.”

“That’ll be all right. Be seeing you.”

Marjorie looked at him curiously as he gathered up the things he needed for the next class.

Stanly Weill had a thin dark-eyed face. He was frowning as he set down his coffee-cup.

“Ed, you ought to know better than to try to kid your lawyer,” he said. “You say Whitburn’s trying to force you to resign. With your contract, he can’t do that, not without good and sufficient cause, and under the Faculty Tenure Law, that means something just an inch short of murder in the first degree. Now, what’s Whitburn got on you?”

Beat around the bush and try to build a background, or come out with it at once and fill in the details afterward? He debated mentally for a moment, then decided upon the latter course.

“Well, it happens that I have the ability to prehend future events. I can, by concentrating, bring into my mind the history of the world, at least in general outline, for the next five thousand years. Whitburn thinks I’m crazy, mainly because I get confused at times and forget that something I know about hasn’t happened yet.”

Weill snatched the cigarette from his mouth to keep from swallowing it. As it was, he choked on a mouthful of smoke and coughed violently, then sat back in the booth-seat, staring speechlessly.

“It started a little over three years ago,” Chalmers continued. “Just after New Year’s, 1970. I was getting up a series of seminars for some of my postgraduate students on extrapolation of present social and political trends to the middle of the next century, and I began to find that I was getting some very fixed and definite ideas of what the world of 2050 to 2070 would be like. Completely unified world, abolition of all national states under a single world sovereignty, colonies on Mars and Venus, that sort of thing. Some of these ideas didn’t seem quite logical; a number of them were complete reversals of present trends, and a lot seemed to depend on arbitrary and unpredictable factors. Mind, this was before the first rocket landed on the Moon, when the whole moon-rocket and lunar-base project was a triple-top secret. But I knew, in the spring of 1970, that the first unmanned rocket would be called the Kilroy, and that it would be launched some time in 1971. You remember, when the news was released, it was stated that the rocket hadn’t been christened until the day before it was launched, when somebody remembered that old ‘Kilroy-was-here’ thing from the Second World War. Well, I knew about it over a year in advance.”

Weill had been listening in silence. He had a naturally skeptical face; his present expression mightn’t really mean that he didn’t believe what he was hearing.

“How’d you get all this stuff? In dreams?”

Chalmers shook his head. “It just came to me. I’d be sitting reading, or eating dinner, or talking to one of my classes, and the first thing I’d know, something out of the future would come bubbling up in me. It just kept pushing up into my conscious mind. I wouldn’t have an idea of something one minute, and the next it would just be part of my general historical knowledge; I’d know it as positively as I know that Columbus discovered America in. 1492. The only difference is that I can usually remember where I’ve read something in past history, but my future history I know without knowing how I know it.”

“Ah, that’s the question!” Weill pounced. “You don’t know how you know it. Look, Ed, we’ve both studied psychology, elementary psychology at least. Anybody who has to work with people, these days, has to know some psychology. What makes you sure that these prophetic impressions of yours aren’t manufactured in your own subconscious mind?”

“That’s what I thought, at first. I thought my subconscious was just building up this stuff to fill the gaps in what I’d produced from logical extrapolation. I’ve always been a stickler for detail,” he added, parenthetically. “It would be natural for me to supply details for the future. But, as I said, a lot of this stuff is based on unpredictable and arbitrary factors that can’t be inferred from anything in the present. That left me with the alternatives of delusion or precognition, and if I ever came near going crazy, it was before the Kilroy landed and the news was released. After that, I knew which it was.”

“And yet, you can’t explain how you can have real knowledge of a thing before it happens. Before it exists,” Weill said.

“I really don’t need to. I’m satisfied with knowing that I know. But if you want me to furnish a theory, let’s say that all these things really do exist, in the past or in the future, and that the present is just a moving knife-edge that separates the two. You can’t even indicate the present. By the time you make up your mind to say, ‘Now!’ and transmit the impulse to your vocal organs, and utter the word, the original present moment is part of the past. The knife-edge has gone over it. Most people think they know only the present; what they know is the past, which they have already experienced, or read about. The difference with me is that I can see what’s on both sides of the knife-edge.”

Weill put another cigarette in his mouth and bent his head to the flame of his lighter. For a moment, he sat motionless, his thin face rigid.

“What do you want me to do?” he asked. “I’m a lawyer, not a psychiatrist.”

“I want a lawyer. This is a legal matter. Whitburn’s talking about voiding my tenure contract. You helped draw it; I have a right to expect you to help defend it.”

“Ed, have you been talking about this to anybody else?” Weill asked.

“You’re the first person I’ve mentioned it to. It’s not the sort of thing you’d bring up casually, in a conversation.”

“Then how’d Whitburn get hold of it?”

“He didn’t, not the way I’ve given it to you. But I made a couple of slips, now and then. I made a bad one yesterday morning.”

He told Weill about it, and about his session with the president of the college that morning. The lawyer nodded.

“That was a bad one, but you handled Whitburn the right way,” Weill said. “What he’s most afraid of is publicity, getting the college mixed up in anything controversial, and above all, the reactions of the trustees and people like that. If Dacre or anybody else makes any trouble, he’ll do his best to cover for you. Not willingly, of course, but because he’ll know that that’s the only way he can cover for himself. I don’t think you’ll have any more trouble with him. If you can keep your own nose clean, that is. Can you do that?”

“I believe so. Yesterday I got careless. I’ll not do that again.”

“You’d better not.” Weill hesitated for a moment. “I said I was a lawyer, not a psychiatrist. I’m going to give you some psychiatrist’s advice, though. Forget this whole thing. You say you can bring these impressions into your conscious mind by concentrating?” He waited briefly; Chalmers nodded, and he continued: “Well, stop it. Stop trying to harbor this stuff. It’s dangerous, Ed. Stop playing around with it.”

“You think I’m crazy, too?”

Weill shook his head impatiently. “I didn’t say that. But I’ll say, now, that you’re losing your grip on reality. You are constructing a system of fantasies, and the first thing you know, they will become your reality, and the world around you will be unreal and illusory. And that’s a state of mental incompetence that I can recognize, as a lawyer.”

“How about the Kilroy?”

Weill looked at him intently. “Ed, are you sure you did have that experience?” he asked. “I’m not trying to imply that you’re consciously lying to me about that. I am suggesting that you manufactured a memory of that incident in your subconscious mind, and are deluding yourself into thinking that you knew about it in advance. False memory is a fairly common thing, in cases like this. Even the little psychology I know, I’ve heard about that. There’s been talk about rockets to the Moon for years. You included something about that in your future-history fantasy, and then, after the event, you convinced yourself that you’d known all about it, including the impromptu christening of the rocket, all along.”

A hot retort rose to his lips; he swallowed it hastily. Instead, he nodded amicably.

“That’s a point worth thinking of. But right now, what I want to know is, will you represent me in case Whitburn does take this to court and does try to void my contract?”

“Oh, yes; as you said, I have an obligation to defend the contracts I draw up. But you’ll have to avoid giving him any further reason for trying to void it. Don’t make any more of these slips. Watch what you say, in class or out of it. And above all, don’t talk about this to anybody. Don’t tell anybody that you can foresee the future, or even talk about future probabilities. Your business is with the past; stick to it.”

The afternoon passed quietly enough. Word of his defiance of Whitburn had gotten around among the faculty--Whitburn might have his secretary scared witless in his office, but not gossipless outside it--though it hadn’t seemed to have leaked down to the students yet. Handley, the Latin professor, managed to waylay him in a hallway, a hallway Handley didn’t normally use.

“The tenure-contract system under which we hold our positions here is one of our most valuable safeguards,” he said, after exchanging greetings. “It was only won after a struggle, in a time of public animosity toward all intellectuals, and even now, our professional position would be most insecure without it.”

“Yes. I found that out today, if I hadn’t known it when I took part in the struggle you speak of.”

“It should not be jeopardized,” Handley declared.

“You think I’m jeopardizing it?”

Handley frowned. He didn’t like being pushed out of the safety of generalization into specific cases.

“Well, now that you make that point, yes. I do. If Doctor Whitburn tries to make an issue of ... of what happened yesterday ... and if the court decides against you, you can see the position all of us will be in.”

“What do you think I should have done? Given him my resignation when he demanded it? We have our tenure-contracts, and the system was instituted to prevent just the sort of arbitrary action Whitburn tried to take with me today. If he wants to go to court, he’ll find that out.”

“And if he wins, he’ll establish a precedent that will threaten the security of every college and university faculty member in the state. In any state where there’s a tenure law.”

Leonard Fitch, the psychologist, took an opposite attitude. As Chalmers was leaving the college at the end of the afternoon, Fitch cut across the campus to intercept him.

“I heard about the way you stood up to Whitburn this morning, Ed,” he said. “Glad you did it. I only wish I’d done something like that three years ago ... Think he’s going to give you any real trouble?”

“I doubt it.”

“Well, I’m on your side if he does. I won’t be the only one, either.”

“Well, thank you, Leonard. It always helps to know that. I don’t think there’ll be any more trouble, though.”

He dined alone at his apartment, and sat over his coffee, outlining his work for the next day. When both were finished, he dallied indecisively, Weill’s words echoing through his mind and raising doubts. It was possible that he had been manufacturing the whole thing in his subconscious mind. That was, at least, a more plausible theory than any he had constructed to explain an ability to produce real knowledge of the future. Of course, there was that business about the Kilroy. That had been too close on too many points to be dismissed as coincidence. Then, again, Weill’s words came back to disquiet him. Had he really gotten that before the event, as he believed, or had he only imagined, later, that he had?

There was one way to settle that. He rose quickly and went to the filing-cabinet where he kept his future-history notes and began pulling out envelopes. There was nothing about the Kilroy in the Twentieth Century file, where it should be, although he examined each sheet of notes carefully. The possibility that his notes on that might have been filed out of place by mistake occurred to him; he looked in every other envelope. The notes, as far as they went, were all filed in order, and each one bore, beside the future date of occurrence, the date on which the knowledge--or must he call it delusion?--had come to him. But there was no note on the landing of the first unmanned rocket on Luna.

He put the notes away and went back to his desk, rummaging through the drawers, and finding nothing. He searched everywhere in the apartment where a sheet of paper could have been mislaid, taking all his books, one by one, from the shelves and leafing through them, even books he knew he had not touched for more than three years. In the end, he sat down again at his desk, defeated. The note on the Kilroy simply did not exist.

Of course, that didn’t settle it, as finding the note would have. He remembered--or believed he remembered--having gotten that item of knowledge--or delusion--in 1970, shortly before the end of the school term. It hadn’t been until after the fall opening of school that he had begun making notes. He could have had the knowledge of the robot rocket in his mind then, and neglected putting it on paper.

He undressed, put on his pajamas, poured himself a drink, and went to bed. Three hours later, still awake, he got up, and poured himself another, bigger, drink. Somehow, eventually, he fell asleep.

The next morning, he searched his desk and book-case in the office at school. He had never kept a diary; now he was wishing that he had. That might have contained something that would be evidence, one way or the other. All day, he vacillated between conviction of the reality of his future knowledge and resolution to have no more to do with it. Once he decided to destroy all the notes he had made, and thought of making a special study of some facet of history, and writing another book, to occupy his mind.

After lunch, he found that more data on the period immediately before the Thirty Days’ War was coming into his consciousness. He resolutely suppressed it, knowing as he did that it might never come to him again. That evening, too, he cooked dinner for himself at his apartment, and laid out his class-work for the next day. He’d better not stay in, that evening; too much temptation to settle himself by the living-room fire with his pipe and his notepad and indulge in the vice he had determined to renounce. After a little debate, he decided upon a movie; he put on again the suit he had taken off on coming home, and went out.

The picture, a random choice among the three shows in the neighborhood, was about Seventeenth Century buccaneers; exciting action and a sound-track loud with shots and cutlass-clashing. He let himself be drawn into it completely, and, until it was finished, he was able to forget both the college and the history of the future. But, as he walked home, he was struck by the parallel between the buccaneers of the West Indies and the space-pirates in the days of the dissolution of the First Galactic Empire, in the Tenth Century of the Interstellar Era. He hadn’t been too clear on that period, and he found new data rising in his mind; he hurried his steps, almost running upstairs to his room. It was long after midnight before he had finished the notes he had begun on his return home.

Well, that had been a mistake, but he wouldn’t make it again. He determined again to destroy his notes, and began casting about for a subject which would occupy his mind to the exclusion of the future. Not the Spanish Conquistadores; that was too much like the early period of interstellar expansion. He thought for a time of the Sepoy Mutiny, and then rejected it--he could “remember” something much like that on one of the planets of the Beta Hydrae system, in the Fourth Century of the Atomic Era. There were so few things, in the history of the past, which did not have their counter-parts in the future. That evening, too, he stayed at home, preparing for his various classes for the rest of the week and making copious notes on what he would talk about to each. He needed more whiskey to get to sleep that night.

Whitburn gave him no more trouble, and if any of the trustees or influential alumni made any protest about what had happened in Modern History IV, he heard nothing about it. He managed to conduct his classes without further incidents, and spent his evenings trying, not always successfully, to avoid drifting into “memories” of the future...

He came into his office that morning tired and unrefreshed by the few hours’ sleep he had gotten the night before, edgy from the strain, of trying to adjust his mind to the world of Blanley College in mid-April of 1973. Pottgeiter hadn’t arrived yet, but Marjorie Fenner was waiting for him; a newspaper in her hand, almost bursting with excitement.

“Here; have you seen it, Doctor Chalmers?” she asked as he entered.

He shook his head. He ought to read the papers more, to keep track of the advancing knife-edge that divided what he might talk about from what he wasn’t supposed to know, but each morning he seemed to have less and less time to get ready for work.

“Well, look! Look at that!”

She thrust the paper into his hands, still folded, the big, black headline where he could see it.

KHALID IB’N HUSSEIN ASSASSINATED

He glanced over the leading paragraphs. Leader of Islamic Caliphate shot to death in Basra ... leaving Parliament Building for his palace outside the city ... fanatic, identified as an Egyptian named Mohammed Noureed ... old American submachine-gun ... two guards killed and a third seriously wounded ... seized by infuriated mob and stoned to death on the spot...

For a moment, he felt guilt, until he realized that nothing he could have done could have altered the event. The death of Khalid ib’n Hussein, and all the millions of other deaths that would follow it, were fixed in the matrix of the space-time continuum. Including, maybe, the death of an obscure professor of Modern History named Edward Chalmers.

“At least, this’ll be the end of that silly flap about what happened a month ago in Modern Four. This is modern history, now; I can talk about it without a lot of fools yelling their heads off.”

She was staring at him wide-eyed. No doubt horrified at his cold-blooded attitude toward what was really a shocking and senseless crime.

“Yes, of course; the man’s dead. So’s Julius Caesar, but we’ve gotten over being shocked at his murder.”

He would have to talk about it in Modern History IV, he supposed; explain why Khalid’s death was necessary to the policies of the Eastern Axis, and what the consequences would be. How it would hasten the complete dissolution of the old U. N., already weakened by the crisis over the Eastern demands for the demilitarization and internationalization of the United States Lunar Base, and necessitate the formation of the Terran Federation, and how it would lead, eventually, to the Thirty Days’ War. No, he couldn’t talk about that; that was on the wrong side of the knife-edge. Have to be careful about the knife-edge; too easy to cut himself on it.

Nobody in Modern History IV was seated when he entered the room; they were all crowded between the door and his desk. He stood blinking, wondering why they were giving him an ovation, and why Kendrick and Dacre were so abjectly apologetic. Great heavens, did it take the murder of the greatest Moslem since Saladin to convince people that he wasn’t crazy?

Before the period was over, Whitburn’s secretary entered with a note in the college president’s hand and over his signature; requesting Chalmers to come to his office immediately and without delay. Just like that; expected him to walk right out of his class. He was protesting as he entered the president’s office. Whitburn cut him off short.

“Doctor Chalmers,”--Whitburn had risen behind his desk as the door opened--”I certainly hope that you can realize that there was nothing but the most purely coincidental connection between the event featured in this morning’s newspapers and your performance, a month ago, in Modern History Four,” he began.

“I realize nothing of the sort. The death of Khalid ib’n Hussein is a fact of history, unalterably set in its proper place in time-sequence. It was a fact of history a month ago no less than today.”

“So that’s going to be your attitude; that your wild utterances of a month ago have now been vindicated as fulfilled prophesies? And I suppose you intend to exploit this--this coincidence--to the utmost. The involvement of Blanley College in a mess of sensational publicity means nothing to you, I presume.”

“I haven’t any idea what you’re talking about.”

“You mean to tell me that you didn’t give this story to the local newspaper, the Valley Times?” Whitburn demanded.

“I did not. I haven’t mentioned the subject to anybody connected with the Times, or anybody else, for that matter. Except my attorney, a month ago, when you were threatening to repudiate the contract you signed with me.”

“I suppose I’m expected to take your word for that?”

“Yes, you are. Unless you care to call me a liar in so many words.” He moved a step closer. Lloyd Whitburn outweighed him by fifty pounds, but most of the difference was fat. Whitburn must have realized that, too.

“No, no; if you say you haven’t talked about it to the Valley Times, that’s enough,” he said hastily. “But somebody did. A reporter was here not twenty minutes ago; he refused to say who had given him the story, but he wanted to question me about it.”

“What did you tell him?”

“I refused to make any statement whatever. I also called Colonel Tighlman, the owner of the paper, and asked him, very reasonably, to suppress the story. I thought that my own position and the importance of Blanley College to this town entitled me to that much consideration.” Whitburn’s face became almost purple. “He ... he laughed at me!”

“Newspaper people don’t like to be told to kill stories. Not even by college presidents. That’s only made things worse. Personally, I don’t relish the prospect of having this publicized, any more than you do. I can assure you that I shall be most guarded if any of the Times reporters talk to me about it, and if I have time to get back to my class before the end of the period, I shall ask them, as a personal favor, not to discuss the matter outside.”

Whitburn didn’t take the hint. Instead, he paced back and forth, storming about the reporter, the newspaper owner, whoever had given the story to the paper, and finally Chalmers himself. He was livid with rage.

“You certainly can’t imagine that when you made those remarks in class you actually possessed any knowledge of a thing that was still a month in the future,” he spluttered. “Why, it’s ridiculous! Utterly preposterous!”